General vitamin/mineral supplements
Supplements are only of value if your diet is lacking something. Vitamins such as A, D and E are not recommended in high doses. It’s best to speak to your GP or another health professional about adding extra supplements to your diet.
Omega-3 fatty acids
These are found in seafood (tuna, mackerel, perch, sardines and herring) and can work in a similar way to antidepressant medication. However, they can also cause side-effects, including blood clotting disorders, and should only be taken under the medical supervision by someone who is experienced in their use.